6 calls to Drupal::unsetContainer() in Drupal 8

FunctionalTestSetupTrait::getDatabaseTypes in core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php

Returns all supported database driver installer objects.

KernelTestBase::bootEnvironment in core/tests/Drupal/KernelTests/KernelTestBase.php

Bootstraps a basic test environment.

KernelTestBase::tearDown in core/tests/Drupal/KernelTests/KernelTestBase.php

MessengerLegacyTest::testMessages in core/tests/Drupal/KernelTests/Core/Messenger/MessengerLegacyTest.php

@covers \Drupal::messenger @covers ::getMessengerService @covers ::all @covers ::addMessage @covers ::addError @covers ::addStatus @covers ::addWarning

TestBase::prepareEnvironment in core/modules/simpletest/src/TestBase.php

Prepares the current environment for running the test.

UnitTestCase::setUp in core/tests/Drupal/Tests/UnitTestCase.php